<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<style>
body {
	margin: 40px;
}
.wrapper {
	display: grid;
	width: 400px;
	grid-gap: 10px;
	grid-template-columns: 100px 1fr 1fr 100px;
	background-color: #f00;
}
.box {
	background-color: #444;
	color: #fff;
}
</style>

<script>
'use strict';

SimpleTest.waitForExplicitFinish();

function runTests() {
	var wrapper = document.getElementById("wrapper");
	var grid = wrapper.getGridFragments()[0];
	var boxA = document.getElementById("boxA");
	var boxB = document.getElementById("boxB");
	
	// test property existence
	isnot(typeof(grid.cols.tracks), "undefined", "Grid.cols.tracks property exists.");
	isnot(typeof(grid.rows.tracks), "undefined", "Grid.rows.tracks property exists.");
	
	if ((typeof(grid.cols.tracks) != "undefined") &&
		(typeof(grid.rows.tracks) != "undefined")) {
		// test column and row track counts
		is(grid.cols.tracks.length, 4,
			"Grid.cols.tracks property has length that matches grid-template-columns."
		);
		is(grid.rows.tracks.length, 2,
			"Grid.rows.tracks property has length that matches content."
		);
	
		if((grid.cols.tracks.length == 4) &&
		   (grid.rows.tracks.length == 2)) {
			// test column track position
			is(grid.cols.tracks[1].start, 110, "Grid column track 2 position is as expected.");
	
			// test column track width
			is(grid.cols.tracks[0].breadth, boxA.offsetWidth,
				"Grid column track width (fixed size) matches item width."
			);
			is(grid.cols.tracks[1].breadth, boxB.offsetWidth,
				"Grid column track width (flexible size) matches item width."
			);
			is(grid.cols.tracks[1].breadth, grid.cols.tracks[2].breadth,
				"Grid column track widths with equal proportion flexible size actually are same size."
			);
		}
	}
	
	SimpleTest.finish();
}
</script>
</head>
<body onLoad="runTests();">

	<div id="wrapper" class="wrapper">
		<div id="boxA" class="box a">A</div>
		<div id="boxB" class="box b">B</div>
		<div class="box c">C</div>
		<div class="box d">D</div>
		<div class="box e">E</div>
		<div class="box f">F</div>
		<div class="box g">G</div>
		<div class="box h">H</div>
	</div>
	
</body>
</html>
